X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=scripts%2Fcommon.sh.in;h=3c1182016836558efb181f130c402d971bb2c745;hb=6cb7ab069d9079a5b4b955da883d5ab804c91319;hp=09ca818c32f14782e7f4bab8de384e238f373874;hpb=0ee8118bd31d1c160123d0aac9c55455706d5975;p=zfs.git

diff --git a/scripts/common.sh.in b/scripts/common.sh.in
index 09ca818..3c11820 100644
--- a/scripts/common.sh.in
+++ b/scripts/common.sh.in
@@ -11,7 +11,8 @@ SCRIPT_CONFIG=zfs-script-config.sh
 if [ -f "${basedir}/../${SCRIPT_CONFIG}" ]; then
 . "${basedir}/../${SCRIPT_CONFIG}"
 else
-MODULES=(zlib_deflate spl splat zavl znvpair zunicode zcommon zfs)
+KERNEL_MODULES=(zlib_deflate zlib_inflate)
+MODULES=(spl splat zavl znvpair zunicode zcommon zfs)
 fi
 
 PROG="<define PROG>"
@@ -35,6 +36,9 @@ libexecdir=@libexecdir@
 pkglibexecdir=${libexecdir}/@PACKAGE@
 bindir=@bindir@
 sbindir=@sbindir@
+udevdir=@udevdir@
+udevruledir=@udevruledir@
+sysconfdir=@sysconfdir@
 
 ETCDIR=${ETCDIR:-/etc}
 DEVDIR=${DEVDIR:-/dev/disk/zpool}
@@ -112,6 +116,19 @@ skip() {
 	echo -e "${COLOR_BROWN}Skip${COLOR_RESET}"
 }
 
+init() {
+	# Disable the udev rule 90-zfs.rules to prevent the zfs module
+	# stack from being loaded due to the detection of a zfs device.
+	# This is important because the test scripts require full control
+	# over when and how the modules are loaded/unloaded.  A trap is
+	# set to ensure the udev rule is correctly replaced on exit.
+	local RULE=${udevruledir}/90-zfs.rules
+	if test -e  ${RULE}; then
+		trap "mv ${RULE}.disabled ${RULE}; exit $?" INT TERM EXIT
+		mv ${RULE} ${RULE}.disabled
+	fi
+}
+
 spl_dump_log() {
 	${SYSCTL} -w kernel.spl.debug.dump=1 &>/dev/null
 	local NAME=`dmesg | tail -n 1 | cut -f5 -d' '`
@@ -162,7 +179,7 @@ load_module() {
 		echo "Loading ${NAME} ($@)"
 	fi
 
-	${LDMOD} $* || ERROR="Failed to load $1" return 1
+	${LDMOD} $* &>/dev/null || ERROR="Failed to load $1" return 1
 
 	return 0
 }
@@ -170,6 +187,10 @@ load_module() {
 load_modules() {
 	mkdir -p /etc/zfs
 
+	for MOD in ${KERNEL_MODULES[*]}; do
+		load_module ${MOD}
+	done
+
 	for MOD in ${MODULES[*]}; do
 		local NAME=`basename ${MOD} .ko`
 		local VALUE=
@@ -242,7 +263,7 @@ check_loop_utils() {
 # Find and return an unused loopback device.
 #
 unused_loop_device() {
-	for DEVICE in `ls -1 /dev/loop* 2>/dev/null`; do
+	for DEVICE in `ls -1 /dev/loop[0-9]* 2>/dev/null`; do
 		${LOSETUP} ${DEVICE} &>/dev/null
 		if [ $? -ne 0 ]; then
 			echo ${DEVICE}
@@ -287,6 +308,48 @@ destroy_loop_devices() {
 }
 
 #
+# Create a device label.
+#
+label() {
+	local DEVICE=$1
+	local LABEL=$2
+
+	${PARTED} ${DEVICE} --script -- mklabel ${LABEL} || return 1
+
+	return 0
+}
+
+#
+# Create a primary partition on a block device.
+#
+partition() {
+	local DEVICE=$1
+	local TYPE=$2
+	local START=$3
+	local END=$4
+
+	${PARTED} --align optimal ${DEVICE} --script -- \
+	    mkpart ${TYPE} ${START} ${END} || return 1
+	udev_trigger
+
+	return 0
+}
+
+#
+# Create a filesystem on the block device
+#
+format() {
+	local DEVICE=$1
+	local FSTYPE=$2
+
+	# Force 4K blocksize, else mkfs.ext2 tries to use 8K, which
+	# won't mount
+	/sbin/mkfs.${FSTYPE} -b 4096 -F -q ${DEVICE} || return 1
+
+	return 0
+}
+
+#
 # Check that the mdadm utilities are installed.
 #
 check_md_utils() {
@@ -425,7 +488,7 @@ scsi_rescan() {
 #
 udev_trigger() {
 	if [ -f ${UDEVADM} ]; then
-		${UDEVADM} trigger
+		${UDEVADM} trigger --action=change --subsystem-match=block
 		${UDEVADM} settle
 	else
 		/sbin/udevtrigger
@@ -630,3 +693,29 @@ wait_udev() {
 
 	return 0
 }
+
+stack_clear() {
+	local STACK_MAX_SIZE=/sys/kernel/debug/tracing/stack_max_size
+	local STACK_TRACER_ENABLED=/proc/sys/kernel/stack_tracer_enabled
+
+	if [ -e $STACK_MAX_SIZE ]; then
+		echo 1 >$STACK_TRACER_ENABLED
+		echo 0 >$STACK_MAX_SIZE
+	fi
+}
+
+stack_check() {
+	local STACK_MAX_SIZE=/sys/kernel/debug/tracing/stack_max_size
+	local STACK_TRACE=/sys/kernel/debug/tracing/stack_trace
+	local STACK_LIMIT=7000
+
+	if [ -e $STACK_MAX_SIZE ]; then
+		STACK_SIZE=`cat $STACK_MAX_SIZE`
+
+		if [ $STACK_SIZE -ge $STACK_LIMIT ]; then
+			echo
+			echo "Warning: max stack size $STACK_SIZE bytes"
+			cat $STACK_TRACE
+		fi
+	fi
+}